Question about Symphonic ST413C 13" TV

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Screen not showing picture

Screen showing bright green horizontzl lines and picture can not be seen , sound can be heared please help tell me what could be the problem regards rohit ( rebrohit@yahoo.com ) how do you get to tv video???

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  • 105 Answers

Check on vertical ic supply is it 24vdc otherwise try to replace the ic first

Posted on Jun 07, 2009

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Posted on Jan 02, 2017

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Mitsubishi TV Model #WS65903 - Green Shadow Lines on Screen


Something is not right here--The green is adjustable in the TECH menu--did this person adjust or try to adjust in the customer or the TECH menu?

If you confirm actual model number I can tell you how to get into the TECH menu--yes--green will not adjust in customer menu--it determines geometry and is only adjusted in the TECH menu.

Also, this set requires any convergence adjustments to be done in 480 and then in 1080--if only adjusted in one mode the other will still be bad.

Let me know if you know how to adjust in TECH menu or not--with exact model number I can tell you how to get there.

If this helps you rate this solution as I do this here for free.

SD TECH

Dec 20, 2009 | Mitsubishi WS-65809 65" Rear Projection...

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IM A TV TECH. I HAVE A SONY LCD KP-60XBR800 I HAVE NO RASTER. POWER OK, MENU OK BUT NO RASTER ON TUNER, TUNER VOLTS OK,CAN YOU HELP ME PLEASE. THANKS my email sergioaguirre0182@hotmail.com


check the high voltage with the screen control turned up high where there is no raster. suspect problem within the video circuit where there is no high voltage or defective picture tube.some time when the screen is black and the screen control advanced,you can see if the tv has video or vertical or horizontal problems on the screen.service the high voltage circuit if there is no raster or high voltage is seen.no raster can be caused by the no heater or filament in the CRT.---- a defective picture tube can cause many problems, such as, poor brightness ,missing colors,intermittent picture,poor focus,a single-colored raster,arching in the gun assembly,retrace lines in the picture,negative picture,chassis shutdown,noheater or filament lit and no raster to name a few.an open filament or heater can cause no picture or no raster symptom.a defective CRT can have an extremely bright screen.loose particles of the cathode element can lodge between the grids and cause an intermittent black and white picture. simply tap the ends of the CRT gun assembly and notice if the picture begins to flash off and on.---- with a leaky picture tube after turn on the raster dims and get extremely bright.a dim picture with no green in the raster can result from a bad green assembly. a heater-to-cathode short can cause a raster to change colour or a result in no raster at all.replace the picture tube if there is severe arching in the neck of CRT. excessive brightness with retrace lines and a vertical collapse to a thin line can be caused by a bad coil on the neck board of the picture tube.rejuvenate the picture tube when there is very bright green screen. check for the resistance change on the resistors of the CRT neck board for an excessively bright picture with retrace lines.excessive dust inside the CRT spark gaps within the picture tube socket can cause the very bright raster and the chassis shutdown.a defective video amp,luminance buffer,or reference transistor can cause a bright picture with retrace lines. -------- for getting any required parts to replace you can get it from www.radioshack.com or from www.partstore.com or from www.shopjimmy.com --------- thanks.please do rate the solution.thank you for using fixya.keep updated.

Sep 06, 2009 | Televison & Video

1 Answer

There is just three lines that show red, green and blue.


It has been my experience with Sonys that those three colored lines indicate that the set is having trouble with the data communication lines. The hitch is that a model as complex as that one has as many as five seperate clock/data lines and if any one of them goes down the set will exhibit your symptom. It will take a professional to track down which line is causing the problem. I've seen audio output IC's as well as tuners cause the problem.

Jun 03, 2009 | Sony KP-61XBR48 61" Rear Projection...

2 Answers

Sony Bravia LCD 40" XBR2- Sound, but no picture; solid bright green screen


Sorry about your issue, however, LCD's do not have a lamp, they have a back light but the chances that is bad is a million to one. I strongly recommend taking it in for an evaluation. I understand your feelings that it should last 5 years or so, however I see every brand, a year or two old with these types of issues. The day's of no problems for 5 yrs up to 20 are definitely over. This is technology at it's finest.

May 23, 2009 | Sony Televison & Video

1 Answer

Sony Color Rear Video Projector - KP 57hw40 / Mfg. February 2002


i have the same problem picture is blue/green with blue and green arched horizontal lines

no picture at all only sound then tv shuts off after 5-10 seconds and then a bright blue flash in the center of the screen

have tried adjusting the voltage screws didnt do anything

Jul 13, 2008 | Sony KP-57HW40 57" Rear Projection...

3 Answers

Rear projection tv picture problem


Sounds like a tuner or Video output problem. What make and model set do you have.

Jan 09, 2008 | Televison & Video

1 Answer

Green Screen


Sounds like the green tube is shorted.

Oct 06, 2007 | Hitachi 50VS810 50" Rear Projection HDTV

1 Answer

SONY KP-46S25


A "Gray Scale" adjustment may solve you problem. If one of the picture tubes is set too high it will cause these RETRACE lines. Then too a weak picture tube might cause this. If the horizontal lines are one color: red, green,or blue then whichever color that is shown would tell you which tube is set too high. Your set has 3 screen controls that control the brightness of each tube. One may need to be turned down a little. Stargazer

Mar 11, 2007 | Sony KP-46S25 TV

1 Answer

Some part of TV has been fused causing no picture on screen , only bright green horizontal lines , not even video channel could be set ,cannot see menu on screen please help by specifying possible...


if the screen is real bright green with thin small white lines in it its probably a shorted picture tube. Or a shorted Green driver Transistor. Good Luck

Apr 12, 2006 | Thomson 14MG135 14" TV

2 Answers

Screen not showing picture


Check and make sure you are on tv not video. Unplug and replug all the game systems or other things you might have plugged in your tv. And if those don't work make sure you are not on input channels (input1, input 2, and do on). If still you are having problems go to the tv menu and and make sure you are on antenna if you have a antenna or cable or satilite if you are on one of those. I hope this helps!

Apr 11, 2006 | Thomson AQUA14 TV

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